Actaea

Alternative name: Also known as: S/2006 (120347) 1

Moon
Actaea Radius

Radius of Actaea

The radius of Actaea is one of its most fundamental physical characteristics. The Actaea radius measures approximately 303 km, making it 21.03× smaller than Earth. This measurement represents the average distance from the center of Actaea to its surface, providing crucial information about the celestial body's size and volume.

Understanding the Actaea radius is essential for calculating other important properties such as surface area, volume, and gravitational characteristics. The radius directly influences how we perceive and study this fascinating object in our Solar System.

Actaea Semi-Major Axis

Orbital Radius of Actaea

The Actaea semi-major axis is a critical orbital parameter that defines the average distance from the Sun. The Actaea semi-major axis measures 0.00 AU (approximately 5,493 km), which represents the average orbital radius of Actaea. This measurement is fundamental to understanding Actaea's position in the Solar System and its relationship with other celestial bodies.

The orbital radius of Actaea determines how much solar radiation the planet receives, which directly influences its temperature, climate, and overall environmental conditions. This distance places Actaea in a specific region of the Solar System, each with unique characteristics and scientific significance.

When we examine the Actaea semi-major axis 0.00 AU, we gain insights into the planet's orbital mechanics, including its orbital period, velocity, and the gravitational forces at play. This parameter is essential for space mission planning and understanding the dynamics of our Solar System.

Actaea Orbital Period

How Long is a Year on Actaea?

The Actaea orbital period defines the length of one complete revolution around the Sun. The Actaea orbital period is 0.00 hours, which is 5625338.59× shorter than Earth's year. This orbital period determines the length of Actaea's year and directly influences seasonal patterns, climate cycles, and temperature variations.

The Actaea orbital period is directly related to its distance from the Sun, following Kepler's laws of planetary motion. Planets farther from the Sun have longer orbital periods, while those closer complete their orbits more quickly. This relationship helps explain why Actaea takes the time it does to complete one full orbit.

Understanding the Actaea orbital period is crucial for space mission planning, as it affects launch windows, travel times, and the timing of scientific observations. This fundamental orbital parameter also provides insights into the planet's formation history and its current position in the Solar System's dynamic structure.

How Far is Actaea from Earth?

Distance Between Actaea and Earth

How far is Actaea from Earth? This is a question that fascinates both astronomers and space enthusiasts. The distance between Actaea and Earth varies throughout their orbital cycles, but on average, Actaea is approximately 1.50e+8 km(1.000 AU) away from Earth. This distance changes as both planets orbit the Sun, with the closest approach (opposition) and farthest separation (conjunction) creating significant variations.

The question "How far is Actaea from Earth?" has practical implications for space exploration. This distance determines travel time for spacecraft, communication delays for mission control, and the amount of fuel required for interplanetary missions. Understanding this distance is essential for planning future missions to Actaea.

The distance between Actaea and Earth is not constant due to the elliptical nature of both planets' orbits. When Actaea and Earth are on the same side of the Sun (opposition), they are at their closest, making this the optimal time for observations and potential missions. Conversely, when they are on opposite sides of the Sun (conjunction), they are at their farthest separation, which can exceed the average distance significantly.

Physical Properties
Mean Radius
0km
Equatorial Radius
303km
Polar Radius
0km
Mass
Volume
Density
0.7g/cm³
Gravity
0m/s²
Escape Velocity
0m/s
Flattening
0
Average Temperature
0.0 K (-273.1 °C)
Axial Tilt
0°
Semimajor Axis
5,493km
Perihelion
0km
Aphelion
0km
Eccentricity
0.008
Inclination
17.2°
Sidereal Orbit
0.00 hours
Sidereal Rotation
0 seconds
Mean Anomaly
0°
Argument of Periapsis
41°
Longitude of Ascending Node
108.9°

Overview of Actaea

Actaea is a fascinating moon in our Solar System that has captured the attention of astronomers and space enthusiasts alike. With a Actaea radius of 303 km, making it 21.0× smaller than Earth's size, this celestial body presents unique characteristics that distinguish it from other objects in our cosmic neighborhood. Positioned at an average distance of 5,493 km (0.000 AU) from the Sun, Actaea occupies a significant place in the Solar System's architecture. As a moon, Actaea demonstrates the incredible diversity of natural satellites that orbit larger celestial bodies throughout our Solar System.

Physical Characteristics

The Actaea physical characteristics reveal a world of remarkable dimensions and properties. The Actaea radius measures 303 km, making it 21.0× smaller than Earth's size.

Orbital Properties

The Actaea orbit reveals fascinating details about its journey around the Sun and its relationship to other Solar System objects. The Actaea orbit has a semimajor axis of 5,493 km (0.000 AU), placing it 27234.3× smaller than Earth's distance from the Sun. The Actaea orbit is nearly circular with an eccentricity of 0.008 (2.0× smaller than Earth's orbital eccentricity), resulting in relatively stable solar heating throughout its year. The Actaea orbit takes 0.00 hours to complete (5625338.6× smaller than Earth's orbital period), defining the length of its year. The orbital inclination of 17.2° indicates how much the Actaea orbit is tilted relative to the Solar System's ecliptic plane. This moderate inclination indicates a typical orbital evolution for objects in this region of the Solar System.

Rotation and Tilt

The Actaea rotation and axial orientation provide crucial insights into its daily and seasonal cycles, as well as its orbital dynamics. The Actaea axial tilt of 0° determines the intensity and nature of seasonal variations. With minimal axial tilt, Actaea experiences virtually no seasonal changes, maintaining relatively constant temperatures throughout its year. The orbital orientation parameters reveal additional details about Actaea's position in space. The mean anomaly of indicates the planet's current position in its orbit relative to its perihelion. The argument of periapsis of 41° shows how the orbit's orientation changes over time due to gravitational perturbations. The longitude of ascending node of 108.9° defines the reference point where the orbit crosses the ecliptic plane.

Temperature and Atmosphere

The Actaea temperature and atmospheric conditions are fundamental to understanding its habitability and environmental characteristics. The Actaea average temperature of 0.0 K (-273.1 °C) (-459.7°F) provides the baseline for understanding its climate. These extremely cold temperatures make Actaea inhospitable to life as we know it, with any atmosphere likely frozen solid on the surface. Compared to Earth's average temperature of 15°C (59°F), Actaea presents a dramatically different thermal environment. Being closer to the Sun than Earth, Actaea receives more intense solar radiation, contributing to its temperature profile.

Escape Velocity & Flattening

The Actaea escape velocity and shape characteristics reveal important details about its gravitational field and rotational dynamics. The Actaea escape velocity of 0 m/s determines how easily objects can break free from its gravitational pull. This relatively low escape velocity means that gases and light molecules can easily escape into space, making it difficult for Actaea to retain a substantial atmosphere. The Actaea flattening of 0.0000% indicates how much the planet's rotation affects its shape. This minimal flattening suggests a nearly spherical shape, indicating either slow rotation or a very rigid internal structure.

FAQs About Actaea

How big is Actaea compared to Earth?

Actaea has a radius of 303 km, making it 21.0× smaller than Earth's size. In terms of volume, Actaea is 0.0× the size of Earth. This size difference significantly impacts the planet's gravity, atmospheric retention, geological processes, and overall planetary characteristics.

How far is Actaea from the Sun?

Actaea orbits at an average distance of 5,493 km (0.000 AU) from the Sun, placing it 27234.3× smaller than Earth's distance from the Sun. This distance determines the amount of solar radiation the planet receives and significantly influences its temperature and climate.

How long is a year on Actaea?

A year on Actaea lasts 0.00 hours (5625338.6× smaller than Earth's orbital period). This orbital period defines the length of the planet's year and affects seasonal patterns, temperature variations, and the overall climate cycle.

What is Actaea made of?

Actaea has a density of 0.7 g/cm³ (7.9× smaller than Earth's density). This density provides important clues about the planet's internal composition. The low density indicates a composition dominated by lighter elements, characteristic of gas giants or icy bodies.

Does Actaea have seasons?

Actaea has an axial tilt of . With minimal axial tilt, the planet experiences virtually no seasonal changes, maintaining relatively constant temperatures throughout its year.
Discovery Information
Discovered By
Keith S. Noll, Harold F. Levison, Denise C. Stephens et William M. Grundy
Discovery Date
21/06/2026
Raw Data